Home / 27,588.25-38,070.66-15,651.33

Finding the Fourth Proportional to 27,588.25, 38,070.66 and 15,651.33

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Solution

The fourth proportional to 27,588.25, 38,070.66 and 15,651.33 is: 21,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.25 : 38,070.66 = 15,651.33 : x
  2. Step 2: Convert to fraction form
    27,588.25/38,070.66 = 15,651.33/x
  3. Step 3: Cross multiply
    27,588.25x = 38,070.66 × 15,651.33
  4. Step 4: Simplify right side
    27,588.25x = 595,856,290.87
  5. Step 5: Solve for x
    x = 595,856,290.87/27,588.25
  6. Step 6: Final answer
    x = 21,598.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.